Siddharth Poly Foam Private Limited offers 112 mm Thick Coir Back Mattresses. Siddharth Poly Foam Private Limited is an ISO 9001: 2000 registered organisation. The 112 mm Thick Coir Back Mattresses of model name Perfect Back are available in variant colors, patterns and designs. Due to its RSS technology these mattresses are perfect for anyone who suffers from backache. These mattresses are filled with natural material like cotton and are ideal for providing comfort all night long.